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SuperServer 2049U-TR4 User's Manual
COM Port
Pin Denitions
Pin# Denition Pin# Denition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 N/A
VGA Port
The onboard VGA port is located next to the UID switch on the I/O back panel. Use this
connection for VGA display.
Serial Port
There is one COM port (COM1) next to the IPMI_LAN on the I/O back panel. The COM port
Unit Identier Switch/UID LED Indicator
I/O back panel. When you press the UID switch, the UID LED indicator will be turned on.
of a system unit that may be in need of service.
Note: UID can also be triggered via IPMI on the motherboard. For more information on IPMI,
please refer to the IPMI User's Guide posted on our website at http://www.supermicro.com.
UID Switch
Pin Denitions
Pin# Denition
1 Ground
2 Ground
3 Button In
4 Button In
UID LED
Pin Denitions
Color Status
Blue: On
IPMI_LAN Port
An dedicated IPMI LAN that supports GbE LAN is located next to USB 2/3 ports on
the backplane. The IPMI_LAN is supported by the Aspeed AST2500 BMC (Baseboard
Management Controller). This port accept a RJ45 type cable. Please refer to the LED Indicator
Section for IPMI_LAN LED information.